Home / 1,687,633.59-2,531,604.19-550,103.81

Finding the Fourth Proportional to 1,687,633.59, 2,531,604.19 and 550,103.81

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Solution

The fourth proportional to 1,687,633.59, 2,531,604.19 and 550,103.81 is: 825,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,633.59 : 2,531,604.19 = 550,103.81 : x
  2. Step 2: Convert to fraction form
    1,687,633.59/2,531,604.19 = 550,103.81/x
  3. Step 3: Cross multiply
    1,687,633.59x = 2,531,604.19 × 550,103.81
  4. Step 4: Simplify right side
    1,687,633.59x = 1,392,645,110,330.96
  5. Step 5: Solve for x
    x = 1,392,645,110,330.96/1,687,633.59
  6. Step 6: Final answer
    x = 825,205.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.